<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <script>
        let [a,b,...rest]=[1,2,3,4,5,6,7]
        console.log(...rest)//输出省略的元素（张凯独立的参数）
    </script>
</body>
</html>